Hi.

We have discovered recently a problem with Bacula.
After some investigations it appears to be related with prune/purge 
functions of Bacula.
More precisely it appears that Bacula prunes/purges from catalog more 
jobs/files than necessary BUT only in SOME CASES: some clients appears 
to have *all* jobs/files information but some not.
* But scanning some volume with older backups (according information in 
old log files) they contain data of the "extra" jobs purged/pruned by 
Bacula.

Every POOL has the "Volume, File and Job Retentions" and the "Volume Use 
Duration" defined according the retention policies needed but it appears 
that as I've said in some cases Bacula doesn't applies them correctly.
* We don't use these retention parameters in any other bacula object 
(i.e.: clients)

We have bacula-dir 5.0.2.
An example of a pool definition:

Pool {
   Name = Diarias-ciclo-1m
   Pool Type = Backup
   Next Pool = Clonados-Diarias-ciclo-1m
   Recycle = yes
   AutoPrune = yes
   Volume Retention = 7 weeks
   File Retention = 7 weeks
   Job Retention = 7 weeks
   Volume Use Duration = 1 day
   Maximum Volumes = 0
   Maximum Volume Bytes = 20 g
   Storage = Disco-Copias-Diarias-ciclo-1m
   Label Format = "diario-"
}

This pool is used for daily copies with a monthly cycle, so the 
retention parameters are defined in order to guarantee 1 month of 
copies. The retention values are greater than 1 month cause we mix 
incremental/full backups (MaxFullInterval=13d, MaxDiffInterval=6d).

Perhaps a Bacula bug?
Perhaps I don't understand the behaviour of retention parameters (I 
think this is less probable cause the problem appears to affect only 
some clients/copies)?

Any ideas?

Thanks in advance.

P.S.
Sorry for my poor english...I hope you can understand my message.


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